From a lean manufacturing perspective a contract manufacturer's test department provides many opportunities for efficiency improvements. These include: 1. Minimization of defect opportunities in config-ure-to-order product. 2. Dissemination of data supporting continuous improvement or product traceability efforts. 3. Reduction in non-value-added time associated with test development and load/unload of product under test. For example, Sigmatron International's facility in Acuna, Mexico, uses a technique known as sequential verification for its volume customers to ensure that all test and related activities are performed prior to shipment.
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